Pierre Dizengremel obtained a State doctorate in Natural Sciences from the l’Université Paris 6. After beginning his career at Paris 6 where he worked on the particularities of plant mitochondria, his appointment as professor at the University of Nancy, which became the University of Lorraine, led him to devote his research essentially to the mechanisms of the cellular response of trees to environmental constraints. He largely contributed to the foundation of a joint laboratory (UMR) with INRA in forest ecology and ecophysiology. Very involved in training, he directed the DEA in forest biology and then the master's FAGE (Forêt AGronomy Environnement) for many years. He was a member of the Steering Committee of the Resources, Processes, Products and Environment Doctoral School. On the more specific theme of the effects of ozone on plants, he directed an ANR program and collaborated within the framework of European contracts with many foreign universities. He is the author of 110 articles published in peer-reviewed journals, 10 book chapters and he has presented numerous communications at international conferences. He is Commander of the Order of Academic Palms and Professor Emeritus of the Université de Lorraine.